Add 7/5 and 8/84
1st number: 1 2/5, 2nd number: 8/84
7/5 + 8/84 is 157/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
7/5 = 7 × 84/5 × 84 = 588/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Add the two like fractions:
588/420 + 40/420 = 588 + 40/420 = 628/420 - 628/420 simplified gives 157/105
- So, 7/5 + 8/84 = 157/105
In mixed form: 152/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+8/84 7/5+16/84 7/10+8/84 21/5+8/84 7/5+24/84 7/15+8/84 35/5+8/84 7/5+40/84 7/25+8/84 49/5+8/84 7/5+56/84 7/35+8/84